问题
单项选择题 B1型题
空白试验（）。
A.将切片用RNA酶或DNA酶进行预处理后杂交
B.将cDNA或cRNA探针进行预杂交
C.以不加核酸探针杂交液进行杂交
D.应用未标记探针做杂交进行对照
E.与非特异性序列和不相关探针杂交
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
空白试验（）。
A.将切片用RNA酶或DNA酶进行预处理后杂交
B.将cDNA或cRNA探针进行预杂交
C.以不加核酸探针杂交液进行杂交
D.应用未标记探针做杂交进行对照
E.与非特异性序列和不相关探针杂交
参考答案：C
| 联系上下文，选择正确的选项补全短文。 | |
" 1______________ " says Danny. " I think I can stand up." says Li Ming. " Yes! Look, Danny! 2______________ " Good! " says Danny. Danny stands up, too." " 3______________ " asks Danny. " I think I can." says Li Ming. " Come on, Danny! " " Oops! " says Danny. He falls down again. " 4______________ " asks Danny. " I think I can." says Li Ming. Li Ming skates backwards slowly. " 5______________ " says Danny. |